function nTabs(thisObj,Num){
    if(thisObj.className == "active")return;
    var tabObj = thisObj.parentNode.id;
    var tabList = document.getElementById(tabObj).getElementsByTagName("li");
    for(i=0; i <tabList.length; i++)
    {
    if (i == Num)
    {
    thisObj.className = "active";
    document.getElementById(tabObj+"_Content"+i).style.display = "block";
    }else{
    tabList[i].className = "normal";
    document.getElementById(tabObj+"_Content"+i).style.display = "none";
    }
    }
    }
